And what right do we have to sieze, tax, track, and sanction trade between Iran and China?

Seems to me that the best outcome for the rest of the world is for the USD to lose world reserve status once and for all, if it would calm our obsession with being nosey warmongering cretins. But then of course, we're going to get more desperate and reactionary and violent in attempts to defend that status as it's loss becomes more inevitable.